GW&K Investment Management, LLC
Position in WTM — White Mountains Insurance Group Ltd
CIK 1082917
BOSTON, MA
Position in WTM
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$16,253,303
-$1,159,801 QoQ
Shares Held
7,839
-1.1% QoQ
Ownership
0.328%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#49
of 354 holders
Holding Since
Sep 2022
16 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WTM Over Time
Shares Held
Position Value (USD)
Position in Insurance - Property & Casualty
Financial Services · as of Jun 30, 2026GW&K Investment Management, LLC holds $252,618,146 across 17 Insurance - Property & Casualty names. WTM ranks #6 (6.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AIZ |
Assurant, Inc.
|
237,825 | $63,863,147 | |
| 2 | KNSL |
Kinsale Capital Group, Inc.
|
142,599 | $47,030,576 | |
| 3 | ORI |
Old Republic International Corp
|
1,135,463 | $46,463,145 | |
| 4 | SKWD |
Skyward Specialty Insurance Group, Inc.
|
584,760 | $34,120,745 | |
| 5 | HMN |
Horace Mann Educators Corp /De/
|
617,784 | $31,908,542 | |
| 6 | WTM |
White Mountains Insurance Group Ltd
This page
|
7,839 | $16,253,303 | |
| 7 | RLI |
Rli Corp
|
110,817 | $6,545,960 | |
| 8 | BOW |
Bowhead Specialty Holdings Inc.
|
194,670 | $5,826,473 |
All Filings in WTM
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $16,253,303 | 7,839 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $17,413,104 | 7,926 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $17,914,696 | 8,621 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $13,388,875 | 8,010 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $14,854,195 | 8,272 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $16,305,834 | 8,467 | Shares | Sole | 2025-05-05 | |
| 2024-12-31 | $16,359,900 | 8,411 | Shares | Sole | 2025-02-05 | |
| 2024-09-30 | $12,799,525 | 7,546 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $13,507,288 | 7,432 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $12,395,024 | 6,908 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $10,575,705 | 7,027 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $11,017,251 | 7,366 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $8,366,793 | 6,024 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $7,997,706 | 5,806 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $7,170,653 | 5,070 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $3,234,095 | 2,482 | Shares | Sole | 2022-11-09 | |
| No filing history on record for this holder in this stock. | ||||||